Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17435#discussion_r137752617
--- Diff: python/pyspark/sql/types.py ---
@@ -438,6 +438,11 @@ def toInternal(self, obj):
def fromInternal(self, obj):
return self.dataType.fromInternal(obj)
+ def typeName(self):
+ raise TypeError(
+ "StructField does not have typename. \
+ You can use self.dataType.simpleString() instead.")
--- End diff --
I think it should be `typeName` on its datatype because `typeName` was
called.
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